They don't teach these things at school you know.

Two things I've been wondering about, and google has so far been unhelpful.

1) How would you go by making a voice post? The system LJ has seems daunting. I mean...call somewhere? Eek. :/
Is there a particular site one could upload music to, or...?

2) Since I've recently started to write stuff that actually needs rating...I realize I have trouble valuing what sort of things needs which sort of rating.
Is there any kind of...don't know, set of rules anywhere I could use as a guideline? >_>;